Amy Koch is a former member of the Minnesota Senate and its former Majority Leader. She is a vocal opponent of same-sex marraige, and in 2009 she tried to add language to the Minnesota Constitution declaring “A marriage between a man and a woman is the only domestic legal union that shall be valid or recognized in Minnesota.”

Ms. Koch, who is married, suddenly resigned her public position this month when confronted by colleagues about alleged infidelity with a male staffer.

This flies in the face of the “pro-marriage” movement’s claim that the biggest threat to traditional family structure is the redefinition of the legal institution of wedlock. From Minnesota for Marriage‘s site:

“When marriage ceases to have its historic meaning and understanding, over time fewer and fewer people will marry. We will have an inevitable increase in children born out of wedlock, an increase in fatherlessness, a resulting increase if female and child poverty, and a higher incidence of all the documented social ills associated with children being raised in a home without their married biological parents.”

Celebrity heterosexual infidelity, multiple divorces and sham marriages have long been a weak point in this particular case against same-sex marriage. But when one of its champions fails to respect her own vows, then the reaction is swift and sarcastic.

In light of this, Minneapolis resident John Medeiros wrote and published an open letter to Ms. Koch “on behalf of all gays and lesbians living in Minnesota … for our community’s successful efforts to threaten your traditional marriage.”

Mr. Medeiros’ letter, originally published in a local blog, has since gone viral many times over. It may not change the minds of the hard core movement against same-sex marriage, but in my opinion the tipping point on that social issue has already been reached in the United States.

Read the full letter:

An Open Apology to Amy Koch on Behalf of All Gay and Lesbian Minnesotans

Dear Ms. Koch,

On behalf of all gays and lesbians living in Minnesota, I would like to wholeheartedly apologize for our community’s successful efforts to threaten your traditional marriage. We are ashamed of ourselves for causing you to have what the media refers to as an “illicit affair” with your staffer, and we also extend our deepest apologies to him and to his wife. These recent events have made it quite clear that our gay and lesbian tactics have gone too far, affecting even the most respectful of our society.

We apologize that our selfish requests to marry those we love has cheapened and degraded traditional marriage so much that we caused you to stray from your own holy union for something more cheap and tawdry. And we are doubly remorseful in knowing that many will see this as a form of sexual harassment of a subordinate.

It is now clear to us that if we were not so self-focused and myopic, we would have been able to see that the time you wasted diligently writing legislation that would forever seal the definition of marriage as being between one man and one woman, could have been more usefully spent reshaping the legal definition of “adultery.”

Forgive us. As you know, we are not church-going people, so we are unable to fully appreciate that “gay marriage” is incompatible with Christian values, despite the fact that those values carry a biblical tradition of adultery such as yours. We applaud you for keeping that tradition going.

And finally, shame on us for thinking that marriage is a private affair, and that our marriage would have little impact on anyone’s family. We now see that marriage is more than that. It is an agreement with society. We should listen to the Minnesota Family Council when it tells us that marriage is about being public, which explains why marriages are public ceremonies. Never did we realize that it is exactly because of this societal agreement that the entire world is looking at you in shame and disappointment instead of minding its own business.

From the bottom of our hearts, we ask that you please accept our apology.